Portion of facade for a heating unit



FIG. 1 is a front perspective view of a portion of facade of a heating unit showing our new design.

FIG. 2 is a close-up perspective view thereof

FIG. 3 is a front plan view thereof.

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a cross-sectional view of the facade shown in FIG. 3 taken along cross-sectional indicators 5—5. 

The ornamental design for portion of facade for a heating unit, as shown and described. 